PubMed:32091414 / 878-880
Annnotations
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok171","span":{"begin":0,"end":2},"obj":"CD"}],"text":"47"}
MeasurableQuantitativeAnnotation
{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"N5","span":{"begin":0,"end":2},"obj":"num"}],"text":"47"}